The organic source rocks of Paleogene from Huangxian basin are rich in the content of exinite and sapropelinite,especially resinite and alginite.

黄下第三系有机岩中含有丰富的壳质组和腐泥组,尤其发育树脂和藻类,这些富组分的荧光性质各不相同。

Main macerals of hydrocarbon generation are sporinite, cutinite, alginite, bituminite, liptodetrinite and desmocollnite in source rocks from Jurassic coal measure in Northwest China.

西北区侏罗纪煤系层中主要的生烃显微组分是孢、质、藻类、沥青质、碎屑类脂、基质镜质等，而树脂、木栓质等早期低熟生油组分含量很低。